199948011

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 284912640

約数和(自身を除く): 84964629

約数列:

[1, 3, 29, 47, 87, 107, 141, 321, 457, 1363, 1371, 3103, 4089, 5029, 9309, 13253, 15087, 21479, 39759, 48899, 64437, 145841, 146697, 437523, 622891, 1418071, 1868673, 2298253, 4254213, 6894759, 66649337, 199948011]

約数ペア:

[(1, 199948011), (3, 66649337), (29, 6894759), (47, 4254213), (87, 2298253), (107, 1868673), (141, 1418071), (321, 622891), (457, 437523), (1363, 146697), (1371, 145841), (3103, 64437), (4089, 48899), (5029, 39759), (9309, 21479), (13253, 15087)]